Ransomware: what it is and why it’s your problem

Ransomware is a growing threat on the continent. There are a number of steps companies can take to combat it.

By: Thembekile Olivia Mayayise, University of the Witwatersrand, The Conversation

Outlets: The Conversation

Published: January 19, 2026

Words: 1,091

Last Updated: 2 months ago

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By Thembekile Olivia Mayayise, University of the Witwatersrand

Ransomware is a type of malicious software that makes a victim’s data, system or device inaccessible. It locks the target or encrypts it (converting text into an unreadable form) until the victim pays a ransom to the attacker.

It’s one of the most widespread and damaging forms of cyberattacks affecting organisations around the world. An Interpol report identified ransomware as one of the most widespread cyber threats …

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